South Dakota Severe Thunderstorm Warning - Severe | Effective 05/31/2026 12:15

Headline: 
Severe Thunderstorm Warning issued May 31 at 1:15PM MDT until May 31 at 1:30PM MDT by NWS Rapid City SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 31, 2026 - 12:15pm
Expires: 
May 31, 2026 - 12:30pm
Description: 
At 114 PM MDT, a severe thunderstorm was located over Hermosa, or 14 miles south of Rapid City, moving east at 15 MPH. HAZARD...60 MPH wind gusts and quarter size hail. Dime size hail has been reported with this storm. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Hermosa.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. If you observe hail, wind damage, or flooding, please report your observations to the National Weather Service office in Rapid City via phone, email, or social media, as soon as it is safe to do so.
Area Description: 
Custer, SD; Pennington, SD
Forcast Office: 
NWS Rapid City SD